mailmap: update Kalle Valo's email

I switched to use my kernel.org address, the old kvalo@codeaurora.org address
doesn't work anymore.

Signed-off-by: Kalle Valo <kvalo@kernel.org>
Tested-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220506084212.8952-1-kvalo@kernel.org

.mailmap

@@ -204,6 +204,7 @@ Juha Yrjola <at solidboot.com>
 Juha Yrjola <juha.yrjola@nokia.com>
 Juha Yrjola <juha.yrjola@solidboot.com>
 Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com>
+Kalle Valo <kvalo@kernel.org> <kvalo@codeaurora.org>
 Kalyan Thota <quic_kalyant@quicinc.com> <kalyan_t@codeaurora.org>
 Kay Sievers <kay.sievers@vrfy.org>
 Kees Cook <keescook@chromium.org> <kees.cook@canonical.com>